Search Results for author: Ricardo Cabral

Found 3 papers, 0 papers with code

Motion From Structure (MfS): Searching for 3D Objects in Cluttered Point Trajectories

no code implementations CVPR 2016 Jayakorn Vongkulbhisal, Ricardo Cabral, Fernando de la Torre, Joao P. Costeira

Object detection has been a long standing problem in computer vision, and state-of-the-art approaches rely on the use of sophisticated features and/or classifiers.

Motion Segmentation Object +2

Feature and Region Selection for Visual Learning

no code implementations20 Jul 2014 Ji Zhao, Lian-Tao Wang, Ricardo Cabral, Fernando de la Torre

There are four main benefits of our approach: (1) Our approach accommodates non-linear additive kernels such as the popular $\chi^2$ and intersection kernel; (2) our approach is able to handle both regions in images and spatio-temporal regions in videos in a unified way; (3) the feature selection problem is convex, and both problems can be solved using a scalable reduced gradient method; (4) we point out strong connections with multiple kernel learning and multiple instance learning approaches.

Action Recognition feature selection +2

Piecewise Planar and Compact Floorplan Reconstruction from Images

no code implementations CVPR 2014 Ricardo Cabral, Yasutaka Furukawa

The second challenge is the need of a sophisti- cated regularization technique that enforces piecewise pla- narity, to suppress clutter and yield high quality texture mapped models.

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